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Browsing by UPV Unit "Universitat Politècnica de València. Instituto Universitario Mixto Tecnológico de Informática - Institut Universitari Mixt Tecnològic d'Informàtica"

Now showing items 1-20 of 91

'From the mole to the molecule': ruthenium catalyzed nitroarene reduction studied with 'bench', high-throughput and single molecule fluorescence techniques

Carrillo, Adela I.; Stamplecoskie, Kevin G.; Marín García, Mª Luisa; Scaiano, Juan C. (Royal Society of Chemistry, 2014)

Single molecule fluorescence microscopy techniques are used to complement conventional catalysis and high-throughput experiments in order to gain a complete picture of a model reaction. In these experiments a model nitroarene ...
802.11n performance analysis for a real multimedia industrial application

Silvestre Blanes, Javier Lidiano; Berenguer Sebastiá, Joaquín Ramón; Sempere Paya, Víctor Miguel; Todoli Ferrandis, David (Elsevier, 2015-01)

In spite of their limitations, wireless networks are being increasingly used in industrial environments. The electromagnetic phenomena that can occur, along with the interference that may occur due to it being an open ...
A formal characterization of SI-based ROWA replication protocols

Armendáriz-Iñigo, J.E.; Juárez-Rodríguez, J.R.; González de Mendívil, J.R.; Garitagoitia, J.R.; Irún Briz, Luis; Muñoz Escoí, Francisco Daniel (Elsevier, 2011-01)

Snapshot isolation (SI) is commonly used in some commercial DBMSs with a multiversion concurrency control mechanism since it never blocks read-only transactions. Recent database replication protocols have been designed ...
A Measured Evolution of Database Integrity

Decker, Hendrik (Springer Verlag (Germany), 2013)

[EN] Inconsistency in large database systems is commonplace and therefore must be controlled in order to not get out of hand. Consistency in database systems is encoded by integrity constraints. Inconsistency thus corresponds ...
A naïve approach to speed up portfolio optimization problem using a multiobjective genetic algorithm

Baixauli-Soler, J. Samuel; Alfaro Cid, Eva; Fernandez-Blanco, Matilde O. (Elsevier, 2012)

Genetic algorithms (GAs) are appropriate when investors have the objective of obtaining mean-variance (VaR) efficient frontier as minimising VaR leads to non-convex and non-differential risk-return optimisation problems. ...
A new algorithm for quadratic sample entropy optimization for very short biomedical signals: Application to blood pressure records

Cirugeda Roldán, Eva María; Cuesta Frau, David; Miró Martínez, Pau; Oltra Crespo, Sandra; Vigil-Medina, L.; Varela-Entrecanales, M. (Elsevier, 2014-05)

[EN] This paper describes a new method to optimize the computation of the quadratic sample entropy (QSE) metric. The objective is to enhance its segmentation capability between pathological and healthy subjects for short ...
A System Architecture to Support Cost-Effective Transcription and Translation of Large Video Lecture Repositories

Silvestre Cerdà, Joan Albert; Pérez González de Martos, Alejandro Manuel; Jiménez López, Manuel; Turró Ribalta, Carlos; Juan Císcar, Alfonso; Civera Saiz, Jorge (IInstitute of Electrical and Electronics Engineers (IEEE), 2013)

[EN] Online video lecture repositories are rapidly growing and becoming established as fundamental knowledge assets. However, most lectures are neither transcribed nor translated because of the lack of cost-effective ...
A word-based naïve bayes classifier for confidence estimation in speech recognition

Sanchis Navarro, José Alberto; Juan Císcar, Alfonso; Vidal, Enrique (Institute of Electrical and Electronics Engineers (IEEE), 2012-02)

Confidence estimation has been largely used in speech recognition to detect words in the recognized sentence that have been likely misrecognized. Confidence estimation can be seen as a conventional pattern classification ...
Active learning for dialogue act labelling

Ghigi, Fabrizio; Tamarit Ballester, Vicent; Martínez-Hinarejos, Carlos-D.; Benedí Ruiz, José Miguel (Springer Verlag (Germany), 2011)

Active learning is a useful technique that allows for a considerably reduction of the amount of data we need to manually label in order to reach a good performance of a statistical model. In order to apply active learning ...
An evaluation of video-to-video face verification

Poh, Norman; Chan, Chi Ho; Kittler, Josef; Marcel, Sébastien; McCool, Christopher; Aragonés Rúa, Enrique; Alba Castro, Jose Luis; Villegas, Mauricio; Paredes Palacios, Roberto; Struc, Vitomir; Pavesic, Nikola; Salah, Albert Ali; Fang, Hui; Costen, Nicholas (Institute of Electrical and Electronics Engineers (IEEE), 2010-12)

[EN] Person recognition using facial features, e.g., mug-shot images, has long been used in identity documents. However, due to the widespread use of web-cams and mobile devices embedded with a camera, it is now possible ...
Análisis multidimensional de las 12 derivaciones del ECG estándar para predecir el éxito de la cardioversión eléctrica en fibrilación auricular persistente

Cirugeda Roldan, E.M.; Calero Núñez, S.; Plancha Burguera, E.; Enero Navajo, J.; Rieta, J J; Alcaraz Martínez, R. (Sociedad Española de Ingeniería Biomédica, 2020-11-27)

[ES] La Sociedad Europea de Cardiologia recomienda la cardioversion electrica (CVE) para el control del ritmo cardiaco en situaciones de fibrilacion auricular (FA) persistente. Aunque es capaz de restaurar inicialmente el ...
Answers that Have Integrity

Decker, Hendrik (Springer Verlag (Germany), 2011)

[EN] Answers to queries in possibly inconsistent databases may not have integrity. We formalize ‘has integrity’ on the basis of a definition of ‘causes’. A cause of an answer is a minimal excerpt of the database that ...
Answers That Have Quality

Decker, Hendrik (Springer Verlag (Germany), 2013)

[EN] The lack of quality of stored data is reflected by violations of integrity constraints. Answers to queries in databases containing bad quality information usually cannot be trusted. Nevertheless, many answers given ...
Applying evidence-based medicine in telehealth: an interactive pattern recognition approximation

Fernández Llatas, Carlos; Meneu, Teresa; Traver Salcedo, Vicente; Benedí Ruiz, José Miguel (MDPI, 2013-10-31)

[EN] Born in the early nineteen nineties, evidence-based medicine (EBM) is a paradigm intended to promote the integration of biomedical evidence into the physicians daily practice.This paradigm requires the continuous study ...
Automatic sleep stages classification using EEG entropy features and unsupervised pattern analysis techniques

Rodríguez-Sotelo, Jose Luis; Osorio-Forero, Alejandro; Jiménez-Rodríguez, Alejandro; Cuesta Frau, David; Cirugeda Roldán, Eva María; Peluffo, Diego (MDPI, 2014)

Sleep is a growing area of research interest in medicine and neuroscience. Actually, one major concern is to find a correlation between several physiologic variables and sleep stages. There is a scientific agreement on the ...
Capturing and Scaling Up Concurrent Transactions in Uncertain Databases

Cuzzocrea, Alfredo; Decker, Hendrik; Muñoz-Escoí, Francesc D. (Springer Verlag (Germany), 2013)

[EN] This chapter provides a framework for capturing and scaling up concurrent transactions in uncertain databases. Models and methods proposed in the context of this framework for managing data uncertainty are innovative ...
CASMACAT: An open source workbench for advanced computer aided translation

Alabau, Vicent; Bonkb, Ragnar; Buck, Christian; Carlb, Michael; Casacuberta Nolla, Francisco; García-Martínez, Mercedes; Gonzalez Rubio, Jesus; Koehn, Philipp; Leiva Torres, Luis Alberto; Mesa-Lao, Bartolomé; Ortiz Martínez, Daniel; Saint-Amand, Herve; Sanchis Trilles, Germán; Tsoukalac, Chara (De Gruyter Open, 2013-10)

[EN] We describe an open source workbench that offers advanced computer aided translation (CAT) functionality: post-editing machine translation (MT), interactive translation prediction (ITP), visualization of word alignment, ...
Causes of the Violation of Integrity Constraints for Supporting the Quality of Databases

Decker, Hendrik (Springer Verlag (Germany), 2011)

[EN] The quality of the information provided by databases can be captured by integrity constraints. Thus, violated cases of constraints may serve as a basis for measuring the quality of given database states. A quality ...
Character-Based Handwritten Text Recognition of Multilingual Documents

Del Agua Teba, Miguel Angel; Serrano Martinez Santos, Nicolas; Civera Saiz, Jorge; Juan Císcar, Alfonso (Springer Verlag (Germany), 2012)

[EN] An effective approach to transcribe handwritten text documents is to follow a sequential interactive approach. During the supervision phase, user corrections are incorporated into the system through an ongoing retraining ...
Characterization of complex fractionated atrial electrograms by Sample Entropy: An international multi-center study

Cirugeda Roldán, Eva María; Novak, Daniel; Kremen, Vaclav; Cuesta Frau, David; Keller, Matthias; Luik, Armin; Srutova, Martina (MDPI, 2015-11)

Atrial fibrillation (AF) is the most commonly clinically-encountered arrhythmia. Catheter ablation of AF is mainly based on trigger elimination and modification of the AF substrate. Substrate mapping ablation of complex ...